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Circulating endothelial cells: a disease activity marker in Behçet's vasculitis?
Sim Kutlay1, Reyhan Calayoglu, Ayse Boyvat
1Department of Nephrology, Ankara University School of Medicine, Ankara, Turkey. skutlay@hotmail.com
Rheumatology International
|August 8, 2008
Summary
Behçet's disease patients show significantly higher circulating endothelial cells (CECs) compared to healthy individuals. Elevated CECs correlate with active Behçet's disease, suggesting a role in disease activity.
Area of Science:
- Immunology
- Vascular Biology
- Rheumatology
Background:
- Endothelial injury is linked to increased circulating endothelial cells (CECs).
- Behçet's disease is a vasculitis associated with endothelial damage.
Purpose of the Study:
- To quantify CECs in Behçet's disease patients.
- To investigate the association between CEC levels and disease activity in Behçet's disease.
Main Methods:
- Peripheral blood samples from 45 Behçet's patients and 15 controls were analyzed.
- Circulating endothelial cells (CECs) were isolated using anti-CD146 antibody and immunomagnetic beads.
- CECs were identified and counted after UEA-1 staining.
Main Results:
- Behçet's patients exhibited significantly elevated CEC counts (mean 50 cells/mL) compared to controls (mean 9 cells/mL).
- CEC levels were higher during active Behçet's disease compared to inactive periods.
- Statistical analysis confirmed a significant difference in CEC counts between patients and controls (P<0.001).
Conclusions:
- Patients with Behçet's disease have increased circulating endothelial cells.
- Elevated CECs in Behçet's disease patients may indicate active endothelial inflammation.
- Further research is warranted to explore the prognostic value of CECs in Behçet's vasculitis.
